<script setup>
import { Edit, Delete, Search,Warning } from "@element-plus/icons-vue";


const dialogArticleVisible = ref(false)

import { ref } from "vue";
const title = ref("");
//文章分类数据模型
const categorys = ref([]);

const checkState = ref("");

//用户搜索时选中的分类id
const categoryId = ref("");

//用户搜索时选中的发布状态
const state = ref("");

//文章列表数据模型
const articles = ref([]);

//分页条数据模型
const pageNum = ref(1); //当前页
const total = ref(20); //总条数
const pageSize = ref(5); //每页条数

//当每页条数发生了变化，调用此函数
const onSizeChange = (size) => {
  pageSize.value = size;
  articleList();
};
//当前页码发生变化，调用此函数
const onCurrentChange = (num) => {
  pageNum.value = num;
  articleList();
};

//导入调用接口获得文章分类的函数
import {
  articleCategoryAllListService,
  articleListService,
  articleAddService,
  articleUpdateService,
  articleDeleteService,
} from "@/api/article.js";
import { ElMessage, ElMessageBox } from "element-plus";
//获取分类列表
const articleCategoryList = async () => {
  let result = await articleCategoryAllListService();
  categorys.value = result.data;
};
articleCategoryList();
//获取文章列表
const publishState = ref("已发布");
const articleList = async () => {
  let params = {
    pageNum: pageNum.value,
    pageSize: pageSize.value,
    categoryId: categoryId.value ? categoryId.value : null,
    state: publishState.value,
    checkState: checkState.value ? checkState.value : null,
  };
  let result = await articleListService(params);
  total.value = result.data.total;
  articles.value = result.data.items;
  for (let i = 0; i < articles.value.length; i++) {
    let article = articles.value[i];
    for (let j = 0; j < categorys.value.length; j++) {
      if (article.categoryId == categorys.value[j].id) {
        article.categoryName = categorys.value[j].categoryName;
      }
    }
  }
};


//文章修改，数据回显
const showDrawer = (row) => {
  visibleDrawer.value = true;
  title.value = "修改文章";
  articleModel.value.id = row.id;
  articleModel.value.title = row.title;
  articleModel.value.categoryId = row.categoryId;
  articleModel.value.coverImg = row.coverImg;
  articleModel.value.content = row.content;
  articleModel.value.state = row.state;
};
const url = ref();
const content1 = ref();
const ArticleTitle = ref();
articleList();
const showArticleDialog = (row) =>{
    dialogArticleVisible.value = true;
    articleModel.value.content = row.content;
    content1.value = row.content;
}
const checkOption = ref()
const dialogCheckeOptionVisible = ref(false);
const showCheckOption = (row) =>{
  dialogCheckeOptionVisible.value = true;
  checkOption.value = row.checkOption;
}


const updateArticle = async (clickState) => {
  articleModel.value.state = clickState;
  articleModel.value.checkState = "未审核";
  let result = await articleUpdateService(articleModel.value);
  ElMessage.success(result.msg ? result.msg : "更新文章成功");
  visibleDrawer.value = false;
  articleList();
};

//清空数据模型
const clearArticleModel = () => {
  articleModel.value.title = "";
  articleModel.value.categoryId = "";
  articleModel.value.coverImg = "";
  articleModel.value.content = "";
  articleModel.value.state = "";
};

//导入富文本编辑器地组件和样式
import { QuillEditor } from "@vueup/vue-quill";
import "@vueup/vue-quill/dist/vue-quill.snow.css";

import { Plus } from "@element-plus/icons-vue";
//控制抽屉是否显示
const visibleDrawer = ref(false);
//添加表单数据模型
const articleModel = ref({
  title: "",
  categoryId: "",
  coverImg: "",
  content: "",
  state: "",
});

import { useTokenStore } from "@/stores/token";
const tokenStore = useTokenStore();
//上传成功回调函数
const uploadSuccess = (result) => {
  articleModel.value.coverImg = result.data;
  console.log(result.data);
};

const deleteArticle = (row) => {
  ElMessageBox.confirm("确认删除该文章吗？", "温馨提示", {
    confirmButtonText: "确认",
    cancelButtonText: "取消",
    type: "warning",
  })
    .then(async () => {
      let result = await articleDeleteService(row.id);
      ElMessage({
        type: "success",
        message: "删除成功",
      });
      articleList();
    })
    .catch(() => {
      ElMessage({
        type: "info",
        message: "删除取消",
      });
    });
  dialogVisible.value = false;
  getAllArticle();
};


</script>
<template>
  <el-card class="page-container">
    <template #header>
      <div class="header">
        <span>文章检索</span>
      </div>
    </template>
    <!-- 搜索表单 -->
    <el-form inline>
      <el-form-item label="文章分类：">
        <el-select placeholder="请选择" v-model="categoryId">
          <el-option
            v-for="c in categorys"
            :key="c.id"
            :label="c.categoryName"
            :value="c.id"
          >
          </el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="审核状态：">
        <el-select placeholder="请选择" v-model="checkState">
                <el-option label="未审核" value="未审核"></el-option>
                <el-option label="审核通过" value="审核通过"></el-option>
                <el-option label="审核未通过" value="审核未通过"></el-option>
        </el-select>

      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="articleList()">搜索</el-button>
        <el-button
          @click=" categoryId = ''; checkState = '';   articleList();">重置</el-button
        >
      </el-form-item>
    </el-form>
    <!-- 文章列表 -->
    <el-table :data="articles" style="width: 100%">
      <el-table-column label="文章标题" width="200" prop="title">
        <template #default="scope">
             <div style="display: flex; align-items: center">
              <el-button @click="showArticleDialog(scope.row)" link :value="articles.title">{{scope.row.title}}</el-button>
             </div>
        </template>

      </el-table-column>
      <el-table-column label="文章封面" width="100" prop="coverImg">
        <template #default="scope">
             <div style="display: flex; align-items: center">
             <el-image :src="scope.row.coverImg"/>
             </div>
        </template>
      </el-table-column>
      <el-table-column label="分类" prop="categoryName"></el-table-column>
      <el-table-column label="修改时间" prop="updateTime"> </el-table-column>
      <el-table-column label="审核状态" prop="checkState"></el-table-column>
      <el-table-column label="操作" width="145">
        <template #default="{ row }">
          <el-button
            :icon="Edit"
            circle
            plain
            type="primary"
            @click="showDrawer(row)"
          ></el-button>
          
          <el-button
            :icon="Delete"
            circle
            plain
            type="danger"
            @click="deleteArticle(row)"
          ></el-button>
          <el-button :icon="Warning" type="warning" circle plain @click="showCheckOption(row)"></el-button>
        </template>
      </el-table-column>
      <template #empty>
        <el-empty description="没有数据" />
      </template>
    </el-table>
    
    <!-- 分页条 -->
    <el-pagination
      v-model:current-page="pageNum"
      v-model:page-size="pageSize"
      :page-sizes="[5, 10, 15, 20]"
      layout="jumper, total, sizes, prev, pager, next"
      background
      :total="total"
      @size-change="onSizeChange"
      @current-change="onCurrentChange"
      style="margin-top: 20px; justify-content: flex-end"
    />
  </el-card>
  <!-- 抽屉 -->
  <el-drawer
    v-model="visibleDrawer"
    :title=title
    direction="rtl"
    size="50%"
  >
    <!-- 添加文章表单 -->
    <el-form :model="articleModel" label-width="100px">
      <el-form-item label="文章标题">
        <el-input
          v-model="articleModel.title"
          placeholder="请输入标题"
        ></el-input>
      </el-form-item>
      <el-form-item label="文章分类">
        <el-select placeholder="请选择" v-model="articleModel.categoryId">
          <el-option
            v-for="c in categorys"
            :key="c.id"
            :label="c.categoryName"
            :value="c.id"
          >
          </el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="文章封面">
        <!-- 
            auto-upload:设置是否自动上传
            action：设置服务器接口路径
            name:设置上传的文件字段名
            headers：设置上传的请求头
            on-success：设置上传成功的回调函数
         -->
        <el-upload
          class="avatar-uploader"
          :auto-upload="true" :show-file-list="false"
          action="/api/upload"
          name="file"
          :headers="{'Authorization':tokenStore.token}"
          :on-success="uploadSuccess"
        >
          <img
            v-if="articleModel.coverImg"
            :src="articleModel.coverImg"
            class="avatar"
          />
          <el-icon v-else class="avatar-uploader-icon">
            <Plus />
          </el-icon>
        </el-upload>
      </el-form-item>
      <el-form-item label="文章内容">
        <div class="editor">
          <quill-editor
            theme="snow"
            v-model:content="articleModel.content"
            contentType="html"
          >
          </quill-editor>
        </div>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="updateArticle('已发布')">发布</el-button>
        <el-button type="info" @click="updateArticle('草稿')">草稿</el-button>
      </el-form-item>
    </el-form>
  </el-drawer>

   <el-dialog
    v-model="dialogArticleVisible"
    title="文章详情"
    width="90%"
    :before-close="handleClose"
  >
    <div v-html="content1"></div>
    <template #footer>
      <span class="dialog-footer">
        <el-button type="primary" @click="dialogArticleVisible = false">
          确认
        </el-button>
      </span>
    </template>
  </el-dialog>

  <!--审核意见-->
    <el-dialog
    v-model="dialogCheckeOptionVisible"
    title="审核意见"
    width="50%"
    :before-close="handleClose"
    
  >
    <div>{{checkOption}}</div>
    <template #footer>
      <span class="dialog-footer">
        <el-button type="primary" @click="dialogCheckeOptionVisible = false">
          确认
        </el-button>
      </span>
    </template>
  </el-dialog>
</template>

<style lang="scss" scoped>
.page-container {
  min-height: 100%;
  box-sizing: border-box;

  .header {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
}
/* 抽屉样式 */
.avatar-uploader {
  :deep() {
    .avatar {
      width: 178px;
      height: 178px;
      display: block;
    }

    .el-upload {
      border: 1px dashed var(--el-border-color);
      border-radius: 6px;
      cursor: pointer;
      position: relative;
      overflow: hidden;
      transition: var(--el-transition-duration-fast);
    }

    .el-upload:hover {
      border-color: var(--el-color-primary);
    }

    .el-icon.avatar-uploader-icon {
      font-size: 28px;
      color: #8c939d;
      width: 178px;
      height: 178px;
      text-align: center;
    }
  }
}
.editor {
  width: 100%;
  :deep(.ql-editor) {
    min-height: 200px;
  }
}
</style>